package day0225_2;

import java.util.Scanner;

public class Test4 {
    public static void main(String[] args) {
        //        给变量s赋值
        Scanner s=new Scanner(System.in);
        int age=s.nextInt();
        if(1<=age  && age<18){
            System.out.println("未成年人");
        }else if(18<=age  && age<57){
            System.out.println("中年人");
        }else{
            System.out.println("老年人");
        }
    }
}
